Is it possible to register a callback of dbus signal with a structure payload by dbus_g_proxy_add_signal()?

[Matt Lo]

Dear DBus Fellows,

   Is it possible for dbus-glib-binding to register a callback of dbus
signal with a structure payload? For example, the GnomeVFS daemon emits
a 'VolumeMountedSignal' dbus signal on SESSION bus once it has detected
a volume had been mounted. And the data payload of this signal looks
like this:

signal sender=:1.11 -> dest=(null destination)
path=/org/gnome/GnomeVFS/Daemon; interface=org.gnome.GnomeVFS.Daemon;
member=VolumeMountedSignal
	struct {
		int32 	72
		int32	0
		int32	3
		int32	52
		string	"file:///media/disk"
		string	"vfat"
		string	"3.7 GB Removable Volume"
		string	"gnome-dev-harddisk-usb"
		boolean	ture
		boolean	false
		boolean	true
		string	"/dev/sdb1"
		int32	2065
		string
"/org/freedesktop/Hal/devices/volume_uuid_022D_E511"
		string	""
	}

  My question is: how should I specify the GType list for
dbus_g_proxy_add_signal() to register a callback for this signal?
  I've googled for a while searching the answer and it seems that
'Specializable GType System' *might* be a solution. However, after I've
register a struct type by dbus_g_type_register_struct(), use
dbus_g_type_get_struct() to retrieve a specialized GType, and then feed
this GType in dbus_g_proxy_add_signal(). I still got no callback.
   Any advice for me?

Best Regards,
Matt Lo 
Ext #2006



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